this derivation will be built:
  /nix/store/vf01ii5k5g5nnzb77vkdvw79m91pmgba-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/vf01ii5k5g5nnzb77vkdvw79m91pmgba-bcachefs-module-7.0.0-39-generic.drv'...